-- following options are the default
-- each of these are documented in `:help nvim-tree.OPTION_NAME`
local status_ok, nvim_tree = pcall(require, "nvim-tree")
if not status_ok then
	return
end

local on_attach = function(bufnr)
	local api = require('nvim-tree.api')

	-- BEGIN_DEFAULT_ON_ATTACH
	local opts = function(desc)
		return { desc = 'nvim-tree: ' .. desc, buffer = bufnr, noremap = true, silent = true, nowait = true }
	end

	vim.keymap.set('n', '<C-]>', api.tree.change_root_to_node, opts('CD'))
	vim.keymap.set('n', '<C-e>', api.node.open.replace_tree_buffer, opts('Open: In Place'))
	vim.keymap.set('n', '<C-k>', api.node.show_info_popup, opts('Info'))
	vim.keymap.set('n', '<C-r>', api.fs.rename_sub, opts('Rename: Omit Filename'))
	vim.keymap.set('n', '<C-w>', api.node.open.tab, opts('Open: New Tab'))
	vim.keymap.set('n', '<C-v>', api.node.open.vertical, opts('Open: Vertical Split'))
	vim.keymap.set('n', '<C-x>', api.node.open.horizontal, opts('Open: Horizontal Split'))
	vim.keymap.set('n', '<BS>', api.node.navigate.parent_close, opts('Close Directory'))
	vim.keymap.set('n', '<CR>', api.node.open.edit, opts('Open'))
	vim.keymap.set('n', '<Tab>', api.node.open.preview, opts('Open Preview'))
	vim.keymap.set('n', '>', api.node.navigate.sibling.next, opts('Next Sibling'))
	vim.keymap.set('n', '<', api.node.navigate.sibling.prev, opts('Previous Sibling'))
	vim.keymap.set('n', '.', api.node.run.cmd, opts('Run Command'))
	vim.keymap.set('n', '-', api.tree.change_root_to_parent, opts('Up'))
	vim.keymap.set('n', 'a', api.fs.create, opts('Create'))
	vim.keymap.set('n', 'bmv', api.marks.bulk.move, opts('Move Bookmarked'))
	vim.keymap.set('n', 'B', api.tree.toggle_no_buffer_filter, opts('Toggle No Buffer'))
	vim.keymap.set('n', 'c', api.fs.copy.node, opts('Copy'))
	vim.keymap.set('n', 'C', api.tree.toggle_git_clean_filter, opts('Toggle Git Clean'))
	vim.keymap.set('n', '[c', api.node.navigate.git.prev, opts('Prev Git'))
	vim.keymap.set('n', ']c', api.node.navigate.git.next, opts('Next Git'))
	vim.keymap.set('n', 'd', api.fs.remove, opts('Delete'))
	vim.keymap.set('n', 'D', api.fs.trash, opts('Trash'))
	vim.keymap.set('n', 'E', api.tree.expand_all, opts('Expand All'))
	vim.keymap.set('n', 'e', api.fs.rename_basename, opts('Rename: Basename'))
	vim.keymap.set('n', ']e', api.node.navigate.diagnostics.next, opts('Next Diagnostic'))
	vim.keymap.set('n', '[e', api.node.navigate.diagnostics.prev, opts('Prev Diagnostic'))
	vim.keymap.set('n', 'F', api.live_filter.clear, opts('Clean Filter'))
	vim.keymap.set('n', '<C-f>', api.live_filter.start, opts('Filter'))
	vim.keymap.set('n', 'g?', api.tree.toggle_help, opts('Help'))
	vim.keymap.set('n', 'gy', api.fs.copy.absolute_path, opts('Copy Absolute Path'))
	vim.keymap.set('n', 'H', api.tree.toggle_hidden_filter, opts('Toggle Dotfiles'))
	vim.keymap.set('n', 'I', api.tree.toggle_gitignore_filter, opts('Toggle Git Ignore'))
	vim.keymap.set('n', 'J', api.node.navigate.sibling.last, opts('Last Sibling'))
	vim.keymap.set('n', 'K', api.node.navigate.sibling.first, opts('First Sibling'))
	vim.keymap.set('n', 'm', api.marks.toggle, opts('Toggle Bookmark'))
	vim.keymap.set('n', 'o', api.node.open.edit, opts('Open'))
	vim.keymap.set('n', 'O', api.node.open.no_window_picker, opts('Open: No Window Picker'))
	vim.keymap.set('n', 'p', api.fs.paste, opts('Paste'))
	vim.keymap.set('n', 'P', api.node.navigate.parent, opts('Parent Directory'))
	vim.keymap.set('n', '<C-q>', api.tree.close, opts('Close'))
	vim.keymap.set('n', 'r', api.fs.rename, opts('Rename'))
	vim.keymap.set('n', 'R', api.tree.reload, opts('Refresh'))
	vim.keymap.set('n', 's', api.node.run.system, opts('Run System'))
	vim.keymap.set('n', 'S', api.tree.search_node, opts('Search'))
	vim.keymap.set('n', 'U', api.tree.toggle_custom_filter, opts('Toggle Hidden'))
	vim.keymap.set('n', 'W', api.tree.collapse_all, opts('Collapse'))
	vim.keymap.set('n', 'x', api.fs.cut, opts('Cut'))
	vim.keymap.set('n', 'y', api.fs.copy.filename, opts('Copy Name'))
	vim.keymap.set('n', 'Y', api.fs.copy.relative_path, opts('Copy Relative Path'))
	vim.keymap.set('n', '<2-LeftMouse>', api.node.open.edit, opts('Open'))
	vim.keymap.set('n', '<2-RightMouse>', api.tree.change_root_to_node, opts('CD'))
	-- END_DEFAULT_ON_ATTACH
end

nvim_tree.setup {
	on_attach = on_attach,
	disable_netrw = true,
	hijack_netrw = true,
	open_on_tab = false,
	hijack_cursor = false,
	sync_root_with_cwd = true,
	diagnostics = {
		enable = true,
		icons = {
			hint = "",
			info = "",
			warning = "",
			error = "",
		},
	},
	update_focused_file = {
		enable = true,
		update_cwd = true,
		ignore_list = {},
	},
	git = {
		enable = true,
		ignore = false,
		timeout = 500,
	},
	view = {
		adaptive_size = false,
		width = 60,
		hide_root_folder = false,
		side = "left",
		mappings = {
			custom_only = false,
		},
		number = false,
		relativenumber = false,
	},
	actions = {
		open_file = {
			quit_on_open = false,
			window_picker = {
				enable = true
			}
		},
	},
	renderer = {
		root_folder_modifier = ":t",
		icons = {
			webdev_colors = true,
			git_placement = "before",
			show = {
				git = true,
				folder = true,
				file = true,
				folder_arrow = true,
			},
			glyphs = {
				default = "",
				symlink = "",
				git = {
					unstaged = "",
					staged = "S",
					unmerged = "",
					renamed = "➜",
					deleted = "",
					untracked = "U",
					ignored = "◌",
				},
				folder = {
					default = "",
					open = "",
					empty = "",
					empty_open = "",
					symlink = "",
				},
			}
		}
	},
}

local function open_nvim_tree(data)
	-- buffer is a directory
	local directory = vim.fn.isdirectory(data.file) == 1

	if not directory then
		return
	end

	-- change to the directory
	vim.cmd.cd(data.file)

	-- open the tree
	require("nvim-tree.api").tree.open()
end

vim.api.nvim_create_autocmd({ "VimEnter" }, { callback = open_nvim_tree })
